2
□
8
Disassembling Procedure ……… 118
1. AKZ14A–43A …………………………………… 118
2. AKZ56A, 90A …………………………………… 133
□
9
Replacement Procedure ………… 149
1. Replacing Control Board ……………………… 149
2. Procedure for Replacing EEV (for main circuit)
and MOV (for hot gas) ……………………… 150
□
10
Miscellaneous Reference Data … 151
1. Characteristics of Refrigerant R410A ……… 151
2. Procedure for Mounting Optional Parts ……… 153
2-1.
Machine Body Thermistor/
Returned Oil Thermistor (Optional)
…… 153
2-2. Communication Board (Optional) …… 154
3. Notes on Installation …………………………… 155
3-1. Installing Location and Oil Piping …… 155
3-2. Suction Strainer (Line Filter) ………… 155
3-3. Oil Tank ………………………………… 155
4. Electric Wiring Work …………………………… 156
4-1.
Starting/stopping the Oil Cooling Unit
… 156
4-2.
Mounting a Ground Leakage Circuit Breaker
… 157
4-3. Wiring procedure ……………………… 157
4-4. Switch Box Outline …………………… 158
4-5. Connecting Remote-control Operation
Input …………………………………… 159
4-6.
Connecting External Output Contact
…… 159
5. Maintenance and Inspection ………………… 161
5-1. Daily Maintenance and Inspection …… 161
5-2.
Periodic Maintenance and Inspection
…… 161
5-3.
To leave the unit unused for a long period
… 162
OIL COOLING UNIT(MODEL 10) Service Manual
The specifications and others of this Service Manual are subject to change
without notice for product improvements.
It is prohibited to copy or divert the contents of this manual, or distribute
them over networks without our permission.
00_PB00540A_M10.indb 2 2023/08/09 12:58:50
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